According to an on-line dating website, 20% of the couples who are in committed relationships met on-line. Suppose you know 15 c ouples in a committed relationship. What is the expected number of couples who met on-line? What is the standard deviation?
1 answer:
15/x = 20/100
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Answer:
1
Step-by-step explanation:this is so easy
Answer:
$150
Step-by-step explanation:
I = prt
I = 5000(.06)(.5)
I = 150
Answer: y = -3
<u>Step-by-step explanation:</u>
-8x - 5y = -1
<u>+8x </u> <u>+8x </u>
-5y = 8x - 1
<u> ÷-5 </u> <u> ÷-5</u> <u>÷-5</u>
y =
y(2) =
=
=
= -3
